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ci: auto-create changeset for dependabot PRs #582

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Merged
cameri merged 2 commits into from
Apr 26, 2026
+46 −0
Merged

ci: auto-create changeset for dependabot PRs #582

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1e1632f
chore: add dependabot changeset workflow
Copilot Apr 25, 2026
83ee5c9
fix: check for specific changeset file instead of any changeset
Copilot Apr 26, 2026
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46 changes: 46 additions & 0 deletions .github/workflows/dependabot-changeset.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,46 @@
name: Dependabot Changeset

on:
pull_request:
types: [opened, reopened]

jobs:
add-changeset:
name: Add Changeset
runs-on: ubuntu-latest
if: github.actor == 'dependabot[bot]'
permissions:
contents: write
steps:
- name: Checkout
uses: actions/checkout@v3
with:
ref: ${{ github.head_ref }}
fetch-depth: 0

- name: Check for existing changeset
id: check
run: |
filename=".changeset/dependabot-pr-${{ github.event.pull_request.number }}.md"
if [ -f "$filename" ]; then
echo "exists=true" >> "$GITHUB_OUTPUT"
else
echo "exists=false" >> "$GITHUB_OUTPUT"
fi
Comment on lines +21 to +29
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Copilot AI Apr 26, 2026

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The "Check for existing changeset" step is checking whether any .changeset/*.md file exists in the repo, which will be true on branches created from main (this repo already contains many changesets). As a result, exists will almost always be true and the workflow will never create a changeset for Dependabot PRs.

Instead, detect whether the PR introduces a changeset relative to the base branch (e.g. reuse the same logic as CI: pnpm exec changeset status --since origin/${{ github.base_ref }}), or at least check for the presence of the specific file you intend to create (.changeset/dependabot-pr-<number>.md).

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- name: Create changeset
if: steps.check.outputs.exists == 'false'
env:
PR_TITLE: ${{ github.event.pull_request.title }}
run: |
filename=".changeset/dependabot-pr-${{ github.event.pull_request.number }}.md"
printf -- '---\n"nostream": patch\n---\n\n%s\n' "$PR_TITLE" > "$filename"

- name: Commit and push changeset
if: steps.check.outputs.exists == 'false'
run: |
git config user.name "github-actions[bot]"
git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
git add .changeset/dependabot-pr-${{ github.event.pull_request.number }}.md
git commit -m "chore: add changeset for dependabot PR #${{ github.event.pull_request.number }}"
git push
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